chore: normalize tsfile dataset metadata

README.md

@@ -3,18 +3,20 @@ license: apache-2.0
 task_categories:
 - robotics
 tags:
-- tsfile
-- timeseries
-- time-series
 - LeRobot
 - so101
 - robotics
+- tutorial
+- tsfile
+- modality:timeseries
 pretty_name: so101_test (TsFile)
 size_categories:
 - 10K<n<100K
 configs:
 - config_name: default
   data_files: data/*.tsfile
+modality:
+- timeseries
 ---
 
 # so101_test (TsFile)